public RelativeDayOfWeekRule(AnnualDateRule subrule, int dayOfWeek, int relative)
 {
   RelativeDayOfWeekRule relativeDayOfWeekRule = this;
   this.subrule = subrule;
   this.dayOfWeek = dayOfWeek;
   this.relative = relative;
 }
 public virtual void setSubrule(AnnualDateRule subrule)
 {
   this.subrule = subrule;
 }